$.ajaxPrefilter(function (options) {
    options.url = 'http://api-breakingnews-web.itheima.net' + options.url;


    if (options.url.indexOf('/my') !== -1) {
        //统一设置请求头
        options.headers = {
            Authorization: localStorage.getItem('token') || ''
        }
    }

    options.complete=function (res){
        if(res.responseJSON.status===1&&res.responseJSON.message==='身份认证失败！'){
            localStorage.removeItem('token');
            location.href = '/login.html';
        }
    }
})